> For the complete documentation index, see [llms.txt](https://docs.credebl.id/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.credebl.id/docs/references/glossary.md).

# Glossary

### AnonCreds:

Refer [Anonymous Credentials](https://hyperledger.github.io/anoncreds-spec/#introduction)

### **Aries**:

The tool that helps humans, organizations, and things consume and emit bytes, store and manage data, and perform the crypto that self-sovereign identity demands.

### Dedicated Agent:

Refer [Dedicated Agents](/docs/introduction/concepts.md#agent)

### DIDComm:

DIDComm is an open protocol for decentralized communication. It uses DIDs (Decentralized Identifiers) to establish confidential, ongoing connections, without the need for usernames and passwords. [See more.](https://book.didcomm.org/)

### DIDs:

Refer [Decentralized Identifiers](/docs/introduction/concepts.md#dids).

### FIDO:

Refer [FIDO](https://fidoalliance.org/how-fido-works/)

### Holder:

Refer [Holder](/docs/introduction/concepts.md#holder)

### Issuer:

Refer [Issuer](/docs/introduction/concepts.md#issuer)

### JSON-LD schemas:

Refer [JSON-LD schemas](https://www.w3.org/TR/vc-json-schema/)

### Ledger:

A blockchain ledger is a digital record of transactions that is shared across a network and is immutable, or unchangeable.

### Mediator:

Refer [Mediator](/docs/introduction/concepts.md#mediator)

### Schema:

Refer [Schema](/docs/introduction/concepts.md#schema)

### Shared Agent:

Refer [Shared Agent](/docs/introduction/concepts.md#agent)

### SSI:

[Self-Sovereign Identity](/docs/introduction/concepts.md#ssi-self-sovereign-identity)

### Tenants:

A tenant is a group of users that share access to a node in a business network. [See more](https://aca-py.org/0.11.1/features/Multitenancy/).

### VCs:

Refer [Verifiable Credentials](/docs/introduction/concepts.md#verifiable-credentials)

### Verifier:

Refer [Verifier](/docs/introduction/concepts.md#verifier)

### W3C:

Refer [W3C](https://www.w3.org/)

### Wallet:

Refer [Edge Wallet](/docs/introduction/concepts.md#edge-wallet) and [Cloud Wallet](/docs/introduction/concepts.md#cloud-wallet)

### Zero-knowledge proof:

Zero-knowledge proofs (ZKPs) are a cryptographic method used to prove knowledge about a piece of data, without revealing the data itself.
